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(11)

EP 4 359 345 A1

(12)

(43) Date of publication: 01.05.2024 Bulletin 2024/18 (21) Application number: 22735871.0 (22) Date of filing: 22.06.2022

(51) International Patent Classification (IPC):  C01B 33/021(2006.01) B01J 27/10(2006.01) C01B 33/027(2006.01) B01J 27/08(2006.01) B01J 27/12(2006.01) C01B 33/029(2006.01) (52) Cooperative Patent Classification (CPC): C01B 33/021; C01B 33/027; C01B 33/029; C01P 2004/16; B01J 27/10; H01M 10/0525; H01M 4/386; H01M 4/387; H01M 4/587; H01M 4/625; H01M 4/362; H01M 4/364; H01M 4/1395; H01M 4/1393; H01M 4/133; H01M 4/134; Y02E 60/10 (86) International application number: PCT/EP2022/066950 (87) International publication number: WO 2022/268851 (29.12.2022 Gazette 2022/52)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 24.06.2021 EP 21305870 (71) Applicant: Enwires 38330 Montbonnot-Saint-Martin (FR)	(72) Inventor: D'ACCRISCIO, Florian 38420 Domène (FR) (74) Representative: Pact-IP  37, rue Royale 92210 Saint-Cloud 92210 Saint-Cloud (FR)